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create a DTU-ID from the CPU-ID

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DanielR92 2022-10-05 19:01:39 +02:00
parent 7a941c8882
commit 1ba92414cc
3 changed files with 22 additions and 9 deletions
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24
tools/esp8266/hmRadio.h
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@ -54,7 +54,7 @@ const char* const rf24AmpPowerNames[] = {"MIN", "LOW", "HIGH", "MAX"};
//-----------------------------------------------------------------------------
// HM Radio class
//-----------------------------------------------------------------------------
template <uint8_t CE_PIN, uint8_t CS_PIN, class BUFFER, uint64_t DTU_ID=DTU_RADIO_ID>
template <uint8_t CE_PIN, uint8_t CS_PIN, class BUFFER>
class HmRadio {
public:
HmRadio() : mNrf24(CE_PIN, CS_PIN, SPI_SPEED) {
@ -90,6 +90,24 @@ class HmRadio {
mBufCtrl = ctrl;
mSerialDebug = config->serialDebug;
uint32_t DTU_SN = 0x87654321;
uint32_t chipID = 0; // will be filled with last 3 bytes of MAC
#ifdef ESP32
uint64_t MAC = ESP.getEfuseMac();
chipID = ((MAC >> 8) & 0xFF0000) | ((MAC >> 24) & 0xFF00) | ((MAC >> 40) & 0xFF);
#else
chipID = ESP.getChipId();
#endif
if(chipID) {
DTU_SN = 0x80000000; // the first digit is an 8 for DTU production year 2022, the rest is filled with the ESP chipID in decimal
for(int i = 0; i < 7; i++) {
DTU_SN |= (chipID % 10) << (i * 4);
chipID /= 10;
}
}
// change the byte order of the DTU serial number and append the required 0x01 at the end
DTU_RADIO_ID = ((uint64_t)(((DTU_SN >> 24) & 0xFF) | ((DTU_SN >> 8) & 0xFF00) | ((DTU_SN << 8) & 0xFF0000) | ((DTU_SN << 24) & 0xFF000000)) << 8) | 0x01;
mNrf24.begin(config->pinCe, config->pinCs);
mNrf24.setRetries(0, 0);
@ -215,7 +233,7 @@ class HmRadio {
memset(mTxBuf, 0, MAX_RF_PAYLOAD_SIZE);
mTxBuf[0] = mid; // message id
CP_U32_BigEndian(&mTxBuf[1], (invId >> 8));
CP_U32_BigEndian(&mTxBuf[5], (DTU_ID >> 8));
CP_U32_BigEndian(&mTxBuf[5], (DTU_RADIO_ID >> 8));
mTxBuf[9] = pid;
if(calcCrc) {
mTxBuf[10] = Ahoy::crc8(mTxBuf, 10);
@ -327,6 +345,8 @@ class HmRadio {
return mRfChLst[mRxChIdx];
}
uint64_t DTU_RADIO_ID;
uint8_t mTxCh;
uint8_t mTxChIdx;